Triple

T2952759
Position Surface form Disambiguated ID Type / Status
Subject PCC streetcar E79857 entity
Predicate manufacturer P490 FINISHED
Object Canadian Car and Foundry
Canadian Car and Foundry was a major Canadian manufacturer of railway rolling stock, aircraft, and other transportation equipment active primarily in the 20th century.
E315082 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Canadian Car and Foundry | Statement: [PCC streetcar, manufacturer, Canadian Car and Foundry]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Canadian Car and Foundry
Context triple: [PCC streetcar, manufacturer, Canadian Car and Foundry]
  • A. Fisher Body
    Fisher Body was a major American automobile body manufacturer that became a key division of General Motors and played a central role in early 20th-century auto industry labor history.
  • B. J. B. Ford and Company
    J. B. Ford and Company was a 19th-century American publishing house known for issuing popular literary and religious works.
  • C. Carron Company
    Carron Company was a prominent 18th–19th century Scottish ironworks best known for pioneering cast-iron production and manufacturing the “carronade” naval cannon.
  • D. Pittsburgh Locomotive and Car Works
    Pittsburgh Locomotive and Car Works was a prominent 19th-century American manufacturer of steam locomotives and railroad cars that later became part of the American Locomotive Company.
  • E. Cooke Locomotive and Machine Works
    Cooke Locomotive and Machine Works was a prominent 19th-century American manufacturer of steam locomotives that later became part of the American Locomotive Company (ALCO).
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Canadian Car and Foundry
Triple: [PCC streetcar, manufacturer, Canadian Car and Foundry]
Generated description
Canadian Car and Foundry was a major Canadian manufacturer of railway rolling stock, aircraft, and other transportation equipment active primarily in the 20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Canadian Car and Foundry
Target entity description: Canadian Car and Foundry was a major Canadian manufacturer of railway rolling stock, aircraft, and other transportation equipment active primarily in the 20th century.
  • A. Fisher Body
    Fisher Body was a major American automobile body manufacturer that became a key division of General Motors and played a central role in early 20th-century auto industry labor history.
  • B. J. B. Ford and Company
    J. B. Ford and Company was a 19th-century American publishing house known for issuing popular literary and religious works.
  • C. Carron Company
    Carron Company was a prominent 18th–19th century Scottish ironworks best known for pioneering cast-iron production and manufacturing the “carronade” naval cannon.
  • D. Pittsburgh Locomotive and Car Works
    Pittsburgh Locomotive and Car Works was a prominent 19th-century American manufacturer of steam locomotives and railroad cars that later became part of the American Locomotive Company.
  • E. Cooke Locomotive and Machine Works
    Cooke Locomotive and Machine Works was a prominent 19th-century American manufacturer of steam locomotives that later became part of the American Locomotive Company (ALCO).
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ad8b1276588190a374a0b12e0f7bdf completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad98fe4b688190a0f68c4f80cd6f8f completed March 8, 2026, 3:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69b0fc82d1248190869beffffc0bf956 completed March 11, 2026, 5:24 a.m.
NEDg Description generation batch_69b0fd25e07c819088b2b1bcef4cf54e completed March 11, 2026, 5:27 a.m.
NED2 Entity disambiguation (via description) batch_69b100ecbee081908832ddec0efdc751 completed March 11, 2026, 5:43 a.m.
Created at: March 8, 2026, 2:57 p.m.